9 Ways to Kick the Coffee Habit

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Eat healthier food

Eating healthy food is a great fatigue-buster as well. The basic rules? Stay away from refined sugar and greasy fast foods.

"Fuel your body with food, but not heavy foods that are high in fat," says Gans. Not only will heavy foods make you sleepy, but they could aggravate your heartburn, defeating the whole purpose of giving up coffee in the first place.

Instead, go for high-fiber carbohydrates such as fruits, vegetables, and whole grains. "Food is an energy source. You need to be sure you're getting adequate amounts," says Gans.